Crown of Possibilities is a Relic.
How to Get Edit
Good to play in a deck with Echo units — both cards will gain the same skill, doubling the value you attain.
Also good to play with units with many keywords, as it will give a keyword that unit does not already have.
See the main skills article for the full list of these keywords, but note that Crown of Possibilities has some unnamed exceptions to the skills it gives. This card may give any skills, except:
Crown of Possibilities will not give the drawn unit a skill that it already has.